Kempster may refer to:
Kempster, Wisconsin, United States
People with the surname Albert Kempster (1875–?), British sport shooter André Gilbert Kempster (1916–1943), awarded the George Cross posthumously Christopher Kempster (1627–1715), English stonemason and architect James Kempster (1892–1975), Irish cricketer Ken Kempster (born 1967), Canadian musician Michael Kempster, British barrister and judge in Hong Kong William Kempster (1914–1977), British artist William Kempster (mason) (1651–1717), English stonemason